Gold is a general term for colored gold, except for white gold, others are called gold, the most common in life is 18K gold, K is the international symbol used to indicate the purity of gold, 18k gold refers to the gold content of 75% of the gold, this kind of jewelry will have the relevant mark 18K or 750, The remaining 25% is composed of other metals in a certain proportion, and the reason why it appears colored is because the proportion of metals is different.
Rose gold is a kind of color gold, it is made of 75% gold and copper + silver/zinc, in accordance with a certain proportion.
And rose gold looks pink, is believed to be associated with romance, let people full of romantic imagination of love.
Compared with the price, which is more expensive is not necessarily, because whether it is color gold or rose gold, they are not priced according to the number of grams, usually according to the sale, in addition, the price is also affected by the process, style, brand, even if different brands, similar styles, there will be different prices.